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Finding the Fourth Proportional to 8,008.50, 11,046.87 and 5,171.34

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Solution

The fourth proportional to 8,008.50, 11,046.87 and 5,171.34 is: 7,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.50 : 11,046.87 = 5,171.34 : x
  2. Step 2: Convert to fraction form
    8,008.50/11,046.87 = 5,171.34/x
  3. Step 3: Cross multiply
    8,008.50x = 11,046.87 × 5,171.34
  4. Step 4: Simplify right side
    8,008.50x = 57,127,120.71
  5. Step 5: Solve for x
    x = 57,127,120.71/8,008.50
  6. Step 6: Final answer
    x = 7,133.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.